Mass of a mole of electrons is-0-20mg1-00mg0-02mg0-55mg

The correct option is D 0.55mgMass of one electron is 9.1 × 10^ 25 mg Hence mass of 1 mol of electrons = 9.1 × 10^ 25× 6.022 × 10^23 = 54.800 × 10^ 2 = 0.5480 ...

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Standard XII

Chemistry

Mole Concept

Mass of a mol...

Question

Mass of a mole of electrons is

0.20mg

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0.02mg

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0.55mg

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1.00mg

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Solution

The correct option is C 0.55mg
Mass of one electron is $9.1 \times 10^{- 25} m g$
Hence mass of 1 mol of electrons = $9.1 \times 10^{- 25} \times 6.022 \times 10^{23} = 54.800 \times 10^{- 2} = 0.5480 = 0.55 m g$

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Mass of a mole of electrons is

The correct option is C 0.55mgMass of one electron is 9.1×10−25 mg Hence mass of 1 mol of electrons = 9.1×10−25×6.022×1023=54.800×10−2=0.5480=0.55 mg

The correct option is C 0.55mg
Mass of one electron is $9.1 \times 10^{- 25} m g$
Hence mass of 1 mol of electrons = $9.1 \times 10^{- 25} \times 6.022 \times 10^{23} = 54.800 \times 10^{- 2} = 0.5480 = 0.55 m g$